“Why does this modem have two Ethernet ports? One is for the router I presume. What is the other port for?”

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• Hi Danno, The other ethernet port can be utilized if you have an additional IP address subscription from your internet service provider. If that is the case you can connect a separate router or an ethernet devices to get the public IP address from your ISP

  Answered by ARRIS SURFboard Team 5 years ago

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• Only one port works for one IP address. If your internet provider has the option you can request a 2nd IP address which would be needed to use both ports. I had this modem. Only one port worked for your basic home set up. I did add an 8 port switch to connect to this modem and that worked great for having additional ethernet connections.

  Answered by Tk65 5 years ago

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• I just got this modem from my provider, Optimum, and I am using both ports. One is connected to my WIFI router and the other is connected to my MacBook ethernet adapter and both are functioning.

  Answered by Nora 4 years ago

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• This allows you to hard wire another device to the modem.

  Answered by Wrench69 5 years ago

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• You can use those 2 port to connect anything a PC and a router, two pc's or two routers

  Answered by Leogaming83 5 years ago

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